Đề thi thử lần I học kì II năm học 2009 - 2010

 Viết phương trình hoá học dùng để phân biệt ( nếu có).
 Câu 3:( 3 đ) Đốt cháy hoàn toàn 3 g một hợp chất hữu cơ A người ta thu được 6,6 g CO2 và 3,6 g nước . a , Trong A có những nguyên tố nào? Tìm công thức phân tử của A.biết khối lương mol của A là 60 g.
b , Viết công thức cấu tạo của A, biết phân tử A có nhóm –OH
c , Viết PTHH của phản ứng giữa A với Na
( Cho biết C=12, O=16, Na=23, H=1)
Bµi lµm :
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